This morning, Aimée turns 23, it's her birthday, and she's giving herself 24 hours before her life comes to an end.

In June 1943, Jean Moulin, leader of the French Resistance, is arrested while attempting to reunite the forces of the "Armée Secrète." Interrogated by Klaus Barbie, the head of the Gestapo in Lyon, Moulin is drawn into a relentless confrontation.